Best window to run: 6 AM–9 AM
Today in London. Best window to run: 6 AM–9 AM. 74°F, clear. Backup window: 9 AM–12 PM. The verdict: a solid window — take it.
7-Day Run Windows for London
The best hour to run each day, scored against the Run Window engine.
Windows are calculated for a default runner comfort zone. With Run Window installed, these tune to your own preferences as you log runs.
Quick Answer: Running in London
Running in London: A Seasonal Guide
London's oceanic climate shapes the running experience across all four seasons. The mild climate makes year-round running possible, though each season has its own character.
Peak season (May and June): Expect the best combination of temperature, daylight, and dry conditions. These months reward runners who plan their weekly mileage around the weather.
Off-season strategy: Even the off-season stays runnable. Watch for rain windows rather than temperature extremes. Short weather breaks often open up ideal conditions.
Local runners know that mild temperatures year-round are ideal for running. Also worth noting: summer days are long with late sunset runs possible.
Best Months to Run
May, June, September offer the most comfortable running conditions in London. During these months, you'll find mild temperatures and manageable weather patterns perfect for outdoor running.
Seasonal Running Temperatures
Temperature Range by Season
Low: 36°F
High: 46°F
Low: 42°F
High: 57°F
Low: 55°F
High: 73°F
Low: 46°F
High: 59°F
Running Weather Tips for London
Rain can start at any moment - always be prepared
Mild temperatures year-round are ideal for running
Summer days are long with late sunset runs possible
Winter darkness requires reflective gear
Popular Running Routes in London
Related Running Guides
Weather at the World Major Marathons: Complete Guide to All Six Races
Historical weather conditions, patterns, and race strategies for all six World Marathon Majors—Boston, London, Berlin, Chicago, New York, and Tokyo.
11 min readRunning After Rain: The Best Conditions You're Missing
Discover why post-rain running offers some of the best conditions. Learn about air quality, temperatures, and the magic window after storms pass.
5 min read10K Race Weather: How to Run Your Best 6.2 Miles
Master 10K racing in any weather. Learn optimal conditions, pacing adjustments, and strategies for running fast regardless of temperature, wind, or rain.
4 min readFrequently Asked Questions
What's today's best window to run in London?+
What is the best time to run in London?+
What weather challenges do runners face in London?+
What are the average running temperatures in London?+
Get Personalized Run Windows for London
Run Window analyzes hourly weather in London and learns your preferences to tell you exactly when to run. No more checking multiple weather apps.